1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef DBUS_VALUES_UTIL_H_ 6 #define DBUS_VALUES_UTIL_H_ 7 8 #include <stdint.h> 9 10 #include <memory> 11 12 #include "dbus/dbus_export.h" 13 14 namespace base { 15 class Value; 16 } 17 18 namespace dbus { 19 20 class MessageReader; 21 class MessageWriter; 22 23 // Pops a value from |reader| as a base::Value. 24 // Returns NULL if an error occurs. 25 // Note: Integer values larger than int32_t (including uint32_t) are converted 26 // to double. Non-string dictionary keys are converted to strings. 27 CHROME_DBUS_EXPORT std::unique_ptr<base::Value> PopDataAsValue( 28 MessageReader* reader); 29 30 // Appends a basic type value to |writer|. Basic types are BOOLEAN, INTEGER, 31 // DOUBLE, and STRING. Use this function for values that are known to be basic 32 // types and to handle basic type members of collections that should not 33 // have type "a{sv}" or "av". Otherwise, use AppendValueData. 34 CHROME_DBUS_EXPORT void AppendBasicTypeValueData(MessageWriter* writer, 35 const base::Value& value); 36 37 // Appends a basic type value to |writer| as a variant. Basic types are BOOLEAN, 38 // INTEGER, DOUBLE, and STRING. Use this function for values that are known to 39 // be basic types and to handle basic type members of collections that should 40 // not have type "a{sv}" or "av". Otherwise, use AppendValueDataAsVariant. 41 CHROME_DBUS_EXPORT void AppendBasicTypeValueDataAsVariant( 42 MessageWriter* writer, 43 const base::Value& value); 44 45 // Appends a value to |writer|. Value can be a basic type, as well as a 46 // collection type, such as dictionary or list. Collections will be recursively 47 // written as variant containers, i.e. dictionaries will be written with type 48 // a{sv} and lists with type av. Any sub-dictionaries or sub-lists will also 49 // have these types. 50 CHROME_DBUS_EXPORT void AppendValueData(MessageWriter* writer, 51 const base::Value& value); 52 53 // Appends a value to |writer| as a variant. Value can be a basic type, as well 54 // as a collection type, such as dictionary or list. Collections will be 55 // recursively written as variant containers, i.e. dictionaries will be written 56 // with type a{sv} and lists with type av. Any sub-dictionaries or sub-lists 57 // will also have these types. 58 CHROME_DBUS_EXPORT void AppendValueDataAsVariant(MessageWriter* writer, 59 const base::Value& value); 60 61 } // namespace dbus 62 63 #endif // DBUS_VALUES_UTIL_H_ 64